Oscillating sprinkler



FIG. 1 is a top, right side perspective view of an oscillating sprinkler showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an oscillating sprinkler, as shown and described. 